Audio speaker housing for protective helmets



FIG. 1 is a top plan view of an audio speaker housing for protective helmets showing my new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is a cross-section taken on line 3--3 of FIG. 1; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for the audio speaker housing for protective helmets, as shown. 